Probability. Lecture 3. Counting

Lecture 3 covers the main counting methods based on the multiplication principle: permutations, combinations and groupings Timeline: 00:00 Repetition of a probability measures and calculations 7:18 Permutations 27:35 Combinations 40:52 Groupings into classes 48:48 Examples The course “Probability“ for the 2nd year bachelors in Economics Taught at BRICS institute, Irkutsk National Research Technical University, Winter semester 2021